Problems

Practice data engineering, algorithms, and schema design

#	Title	Languages
1	Multi-Step Funnel Drop-off MetaGoogle	SQLPandasPySpark	Hard	17.2%
2	Revenue Gap Analysis AmazonDatabricksFlipkart	SQLPandasPySpark	Hard	18.2%
3	Customer Churn Analysis AmazonDatabricksFlipkart	SQLPandasPySpark	Hard	32.3%
4	Suspicious Login Activity Goldman SachsGoogleAmerican Express	SQLPandasPySpark	Hard	34.2%
5	Power Consumers MicrosoftNVIDIA	SQLPandasPySpark	Hard	12.1%
6	Median Salary Computation MicrosoftDatabricksDeloitte	SQLPandasPySpark	Hard	58.5%
7	Consecutive Transaction Growth MicrosoftAmazonGoogle	SQLPandasPySpark	Hard	27.1%
8	Find the Quiet Students NetflixGoogle	SQLPandasPySpark	Hard	69.0%
9	Sales Amount Split by Year MetaAmazonFlipkart	SQLPandasPySpark	Hard	36.2%
10	Tournament Winners AmazonFlipkart	SQLPandasPySpark	Hard	63.6%
11	Customer Spending Tiers FlipkartAmazonFractal	SQLPandasPySpark	Medium	83.2%
12	Active Users Month Over Month Goldman SachsHSBC	SQLPandasPySpark	Medium	56.2%
13	Warehouse Utilization CoforgeGoogle	SQLPandasPySpark	Medium	74.6%
14	Product Sales in First Year WiproAmazonFlipkart	SQLPandasPySpark	Medium	48.1%
15	Nth Highest Order Value Per Customer CognizantAmazonFlipkart	SQLPandasPySpark	Medium	47.9%
16	Report Contiguous Dates AccentureKPMG	SQLPandasPySpark	Medium	74.1%
17	Team Scores Comparison MicrosoftEPAM	SQLPandasPySpark	Medium	66.2%
18	Longest Activity Streak AccentureMicrosoft	SQLPandasPySpark	Medium	62.3%
19	Shipping Delay Categories VirtusaSaama Technology	SQLPandasPySpark	Medium	63.7%
20	Event Attendance Rate CoforgeFractal	SQLPandasPySpark	Medium	48.5%
21	Department Budget Variance MicrosoftDeloitteSaama Technology	SQLPandasPySpark	Medium	68.6%
22	Grand Slam Titles DatameticaHCL	SQLPandasPySpark	Medium	55.4%
23	Viewers Who Viewed Multiple Articles NetflixAmerican Express	SQLPandasPySpark	Medium	50.9%
24	Unpopular Books Publicis SapientDatametica	SQLPandasPySpark	Medium	22.8%
25	Apples and Oranges JP Morgan ChaseGoldman Sachs	SQLPandasPySpark	Medium	79.5%
26	Monthly Active Merchants Publicis SapientSynechron	SQLPandasPySpark	Medium	56.9%
27	Last Person to Fit in Elevator NielsenAP Moller - Maersk	SQLPandasPySpark	Medium	23.6%
28	Count Salary Categories MicrosoftHSBCDeloitte	SQLPandasPySpark	Medium	33.3%
29	Rank Scores PwCGoogleAmazon	SQLPandasPySpark	Medium	92.4%
30	Consecutive Available Seats Goldman SachsMeta	SQLPandasPySpark	Medium	76.9%

Showing 1–30 of 188

...